All aspects of global glaciovolcanism and glacier response to volcanism and climate change. Also broadly focused on Arctic Studies and geospatial analysis of the Arctic. Leading student expeditions to Arctic environments to teach/demonstrate methods for quantifying climate impacts of global warming. Leading alumni tours to Iceland, Italy, Galapagos. Writing geo-parodies (Red Lava Flow, We Didn't Start the [rock] Cycle, The Wreck of Planet Earth's Climate, etc).